| 7fd59977 |
1 | // File: BSplSLib_BzSyntaxes.cxx |
| 2 | // Created: Fri Oct 27 12:49:43 1995 |
| 3 | // Author: Laurent BOURESCHE |
| 4 | // <lbo@phylox> |
| 5 | |
| 6 | // pmn 16-10-96 : Correction de PolesCoefficient (PRO5782) |
| 7 | // ColLength et RowLength avaient encore frappes !! |
| 8 | // |
| 9 | |
| 10 | #define No_Standard_RangeError |
| 11 | #define No_Standard_OutOfRange |
| 12 | |
| 13 | #include <BSplSLib.hxx> |
| 14 | #include <BSplCLib.hxx> |
| 15 | #include <TColStd_Array1OfReal.hxx> |
| 16 | |
| 17 | //======================================================================= |
| 18 | //function : PolesCoefficients |
| 19 | //purpose : |
| 20 | //======================================================================= |
| 21 | |
| 22 | void BSplSLib::PolesCoefficients (const TColgp_Array2OfPnt& Poles, |
| 23 | const TColStd_Array2OfReal& Weights, |
| 24 | TColgp_Array2OfPnt& CachePoles, |
| 25 | TColStd_Array2OfReal& CacheWeights) |
| 26 | { |
| 27 | Standard_Integer i; |
| 28 | Standard_Integer uclas = Poles.ColLength(); |
| 29 | Standard_Integer vclas = Poles.RowLength(); |
| 30 | TColStd_Array1OfReal biduflatknots(1,uclas << 1); |
| 31 | TColStd_Array1OfReal bidvflatknots(1,vclas << 1); |
| 32 | |
| 33 | for(i = 1; i <= uclas; i++) { |
| 34 | biduflatknots(i ) = 0.; |
| 35 | biduflatknots(i + uclas) = 1.; |
| 36 | } |
| 37 | |
| 38 | for(i = 1; i <= vclas; i++) { |
| 39 | bidvflatknots(i ) = 0.; |
| 40 | bidvflatknots(i + vclas) = 1.; |
| 41 | } |
| 42 | if ( uclas > vclas) { |
| 43 | BSplSLib::BuildCache(0.,0., |
| 44 | 1.,1.,0,0, |
| 45 | uclas - 1,vclas - 1,0,0, |
| 46 | biduflatknots,bidvflatknots, |
| 47 | Poles,Weights, |
| 48 | CachePoles,CacheWeights); |
| 49 | } |
| 50 | else { |
| 51 | // BuilCache exige que les resultats soient formates en [MaxCoeff,MinCoeff] |
| 52 | TColgp_Array2OfPnt CPoles (1,vclas, 1, uclas); |
| 53 | TColStd_Array2OfReal CWeights(1,vclas, 1, uclas); |
| 54 | Standard_Integer ii, jj; |
| 55 | BSplSLib::BuildCache(0.,0., |
| 56 | 1.,1.,0,0, |
| 57 | uclas - 1,vclas - 1,0,0, |
| 58 | biduflatknots,bidvflatknots, |
| 59 | Poles,Weights, |
| 60 | CPoles,CWeights); |
| 61 | if (&Weights == NULL) { |
| 62 | |
| 63 | for (ii = 1; ii <= uclas; ii++) { |
| 64 | |
| 65 | for (jj = 1; jj <= vclas; jj++) { |
| 66 | CachePoles(ii, jj) = CPoles(jj, ii); |
| 67 | } |
| 68 | } |
| 69 | } |
| 70 | else { |
| 71 | |
| 72 | for (ii = 1; ii <= uclas; ii++) { |
| 73 | |
| 74 | for (jj = 1; jj <= vclas; jj++) { |
| 75 | CachePoles (ii, jj) = CPoles (jj, ii); |
| 76 | CacheWeights(ii, jj) = CWeights(jj, ii); |
| 77 | } |
| 78 | } |
| 79 | } |
| 80 | } |
| 81 | } |
| 82 | |
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